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LOT 2456
Large Group of One Hundred [100] Sulphur Specimens
3/8 - 2 in. (1.3 kg total, 10-50 mm).
Comprising one hundred vivid canary-yellow specimens. [100, No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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Citrine Gem Tree on Amethyst Crystal Geode Section
Sold for (Inc. bp): £20
Irregular geode matrix with light purple amethyst crystals; the metal branches tipped with polished light-coloured citrine pebbles. 505 grams, 16 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Morton Gneiss Plate Sections
Circa 3.5 billion years B.P.Sold for (Inc. bp): £156
Comprising three rectangular sections of grey pink and black medium to coarse-grained biotite-quartz-plagioclase gneiss with polished upper face, each with wooden backing and one cracked. approx. 84 kg total, 85 x 58 cm each
Canadian Shield, Minnesota River Valley, Southwestern Minnesota, USA. with Phillips, New York, 3 June 1995, no.81. Private collection, Florida, acquired at the above sale. with Sotheby’s, New York, 28 April 2021, no.27 (est. $2,500–3,500).
The world’s oldest known rocks come from the Canadian Shield area of North America. Among the most ancient is the present material, Morton Gneiss at approximately 3.5 billion years old believed to be part of Earth’s first planetary crust. The swirls and layers are a result of metamorphism that incurred when the original volcanic rock was buried to tremendous depths. -
Group of Ten [10] Cut and Polished Agate Geode Slices
Sold for (Inc. bp): £78
Comprising ten polished slices showing contrasting banding, six in enhanced green colour. 1.08 kg total, 10.5-13.3 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.